7,9-Di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione

7,9-Di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione product with CAS: 82304-66-3 is also known as 7,9-Bis(1,1-dimethylethyl)-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. It is used in Irganox impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines. Moreover, 7,9-Bis(1,1-dimethylethyl)-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.